doc: fix dead BUILD link (#19415)
doc: fix dead BUILD link (#19415)

Signed-off-by: Loong <ccc8f14b729f167cddbabd6b7d4814a8c8463a92@intel.com>

envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy